Two isoflavones from Erythrina senegalensis
作者： Jean Wandji , Z.Tanee Fomum , François Tillequin , Elisabeth Seguin , Michel Koch
DOI: 10.1016/S0031-9422(00)90543-0
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摘要: Abstract Two new isoflavones, erysenegalensein D, 5,7,2′,4′-tetrahydroxy-6(γ,γ-dimethylallyl)-8-(2‴-hydroxy-3‴-methylbut-3‴-enyl)isoflavone and E, 5,7,4′-trihydroxy-6-(γ,γ-dimethylallyl)-8-(2⋯'-hydroxy-3‴-methylbut-3‴-enyl)isoflavone in addition to the known compounds, 8-prenyl-luteone 6,8-diprenylgenistein, have been isolated characterized from stem bark of Cameroonian medicinal plant Erythrina senegalensis. Their structures were determined by usual spectroscopic methods 2D NMR techniques.
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